445285001 has 16 divisors (see below), whose sum is σ = 525888000. Its totient is φ = 376818624.

The previous prime is 445284989. The next prime is 445285013. The reversal of 445285001 is 100582544.

It is an interprime number because it is at equal distance from previous prime (445284989) and next prime (445285013).

It is a de Polignac number, because none of the positive numbers 2^k-445285001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445285021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18881 + ... + 35313.

It is an arithmetic number, because the mean of its divisors is an integer number (32868000).

Almost surely, 2^445285001 is an apocalyptic number.

It is an amenable number.

445285001 is a deficient number, since it is larger than the sum of its proper divisors (80602999).

445285001 is an equidigital number, since it uses as much as digits as its factorization.

445285001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16533 (or 16519 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 445285001 is about 21101.7772000370. Note that the first 3 decimals coincide. The cubic root of 445285001 is about 763.6236239247.

The spelling of 445285001 in words is "four hundred forty-five million, two hundred eighty-five thousand, one".